Doses/Periods 6 months 12 months 18 months
0 mg/Kgbw -Normalstructure of seminiferous tubules which surrounded by vascularized densefibrous connective tissue, Tunica albuginea. Each seminiferous tubuleappeared normal with orderly arrangement of germ cells at different stages ofspermatogenesis  
100mg/Kg bw -Normal structure with regularspermatogenesis   -Fewalteration of seminiferous tubules -Somedamaged seminiferous tubules
-Presenceof necrosis zones
200 mg/Kgbw -Perturbationof spermatogenesis
-Fewzones of degenerations  
-Intenseperturbation of spermatogenesis
-IntenseNecrosis -Absenceof spz
-Degenerationof Epithelium seminal
-Intensearea of necrosis
-Perturbationof spermatogenesis
-Disorganizedspz with flagella on whirlpool form
400 mg/Kgbw -Severalperturbation of spermatogenesis (only presence of spz)
-IntenseNecrosis
-Alterationof  adhesive junctions 
-Importantdegeneration of seminiferoustubules -SeveralNecrosis
-Degradationof epithelium seminal (presence of few spermatogonies)
- Intacts somaticcells
-Morearea of necrosis zone
-Abnormaldisposition of  spz flagella
-Presenceof abnormal cells
Table 3: Histopathological alterations of testes with different doses at different periods